#include <FL/Fl.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Box.H>

int main(int argc, char **argv) {
    Fl_Window *window = new Fl_Window(340,180);
    Fl_Box *box = new Fl_Box(20,40,300,100,"Hello World");
    box->box(FL_UP_BOX);
    box->labelsize(36);
    window->end();
    window->show(argc, argv);
    return Fl::run();
}
